A superior side fixation part and inferior side fixation part mounted in the center portion behind the outer casing, have butt hole for mounting the turning axis.
固定在外壳后方中心部位的上侧固定部件及下侧固定部件，其具有组装上述旋转轴的铰链孔；
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Butt one day, a cigarette falls on it and makes a hole in it.
但是一天，一只香烟把这件衣服烧了一个洞。
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模块上移
模块下移
不移动